Commercial Roofing in Sacramento
Commercial roofing covers the installation, repair, and replacement of roof systems on warehouses, retail buildings, offices, and multi-unit properties. In Sacramento, that mostly means low-slope and flat roof systems: TPO, PVC, modified bitumen, built-up roofing (BUR), and increasingly spray foam (SPF) for buildings that need better insulation against Central Valley heat. Some contractors also handle standing-seam metal on larger industrial buildings or mixed-use projects with pitched sections.
We list 159 businesses in this category, ranging from small crews that focus on repairs and maintenance to larger outfits that run full re-roof and new construction jobs. That's a wide spread in scale, licensing depth, and warranty backing, so it pays to know what separates a solid contractor from one that's just cheap.
What to look for before hiring
- A current C-39 roofing license through the California Contractors State License Board, plus proof of liability insurance and workers' comp.
- Manufacturer certification for the specific system being installed (GAF, Firestone, Carlisle, etc.), since this affects warranty length and coverage.
- A written scope that specifies membrane thickness, insulation R-value, flashing details, and drainage or ponding water fixes, not just "re-roof the building."
- References from other commercial jobs of similar size, and a look at how they handle roof access, safety protocols, and tenant disruption during work.
Our scoring weighs licensing status, review consistency, responsiveness, and how a contractor handles complaints, not just star ratings. For a ranked shortlist of the top performers in this category, see our best roofing contractors guide. The full scoring process is explained on our methodology page.
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All commercial roofing, ranked by score and relevance
197 businesses. The order weighs each business's overall score by how much of its reviewed work is commercial roofing, so a lower-scored specialist can rank above a higher-scored generalist. Filter and sort below, or open the full map view.
When you submit a form through this site, your details may be passed to partner providers who can do the work. We may receive a referral fee for this, but our rankings and scores are based solely on our published method and are not influenced by referral payments.
Common questions about commercial roofing
- How much does commercial roof replacement cost in Sacramento?
- It varies a lot by system and building size, but flat roof replacement typically runs somewhere between $5 and $12 per square foot installed, depending on whether you choose TPO, modified bitumen, or a spray foam recoat system. Insulation upgrades, tear-off of old layers, and rooftop equipment (HVAC curbs, drains) add to the total. Get at least three itemized bids before comparing, since scope differences hide in the details.
- How often does a commercial roof need to be replaced?
- Most low-slope commercial systems last 15 to 25 years depending on the membrane type and how well it's maintained. TPO and PVC tend to fall in the 20-year range with proper care, while older BUR systems may need attention sooner. Annual inspections, especially after storms, catch small issues like seam separation or ponding before they turn into leaks or structural damage.
- What should I expect during a commercial roofing project?
- Expect a site walk and moisture scan before any work starts, a written scope covering tear-off (if needed), deck repairs, insulation, membrane installation, and flashing at all penetrations. Larger jobs are often phased to keep the building operational, with staging areas for materials and safety barriers for foot traffic below. A reputable contractor will also pull the required city or county permits.
- How can I judge the quality of a roofing contractor's work?
- Ask to see completed commercial projects, not just residential ones, and check whether they're certified installers for the manufacturer's system (this often extends warranty coverage from material-only to full system). Look at how detailed their proposal is on flashing, drainage, and insulation specs. Vague one-page quotes are a common red flag on commercial jobs.